mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
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sandreim
71 lines
2.4 KiB
Rust
71 lines
2.4 KiB
Rust
// Copyright 2021 Parity Technologies (UK) Ltd.
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// This file is part of Substrate.
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// Substrate is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Substrate is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Substrate. If not, see <http://www.gnu.org/licenses/>.
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#![cfg(feature = "runtime-metrics")]
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use assert_cmd::cargo::cargo_bin;
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use std::{convert::TryInto, process::Command, thread, time::Duration};
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use tempfile::tempdir;
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#[test]
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#[cfg(unix)]
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fn runtime_can_publish_metrics() {
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use hyper::{Client, Uri};
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use nix::{
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sys::signal::{kill, Signal::SIGINT},
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unistd::Pid,
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};
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use std::convert::TryFrom;
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const RUNTIME_METRIC_NAME: &str = "polkadot_parachain_inherent_data_bitfields_processed";
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const DEFAULT_PROMETHEUS_PORT: u16 = 9615;
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let metrics_uri = format!("http://localhost:{}/metrics", DEFAULT_PROMETHEUS_PORT);
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// Start the node with tracing enabled and forced wasm runtime execution.
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let cmd = Command::new(cargo_bin("polkadot"))
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// Runtime metrics require this trace target.
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.args(&["--tracing-targets", "wasm_tracing=trace"])
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.args(&["--execution", "wasm"])
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.args(&["--dev", "-d"])
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.arg(tempdir().expect("failed to create temp dir.").path())
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.spawn()
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.expect("failed to start the node process");
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// Enough time to author one block.
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thread::sleep(Duration::from_secs(30));
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let runtime = tokio::runtime::Runtime::new().expect("failed to create tokio runtime");
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runtime.block_on(async {
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let client = Client::new();
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let res = client
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.get(Uri::try_from(&metrics_uri).expect("bad URI"))
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.await
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.expect("get request failed");
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let body = String::from_utf8(
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hyper::body::to_bytes(res).await.expect("can't get body as bytes").to_vec(),
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)
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.expect("body is not an UTF8 string");
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// Time to die.
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kill(Pid::from_raw(cmd.id().try_into().unwrap()), SIGINT)
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.expect("failed to kill the node process");
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// If the node has authored at least 1 block this should pass.
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assert!(body.contains(&RUNTIME_METRIC_NAME));
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});
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}
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